Which is an example of a vestigial structure?
a. fish gills
b. human arm
c. raccoon tail
d. whale pelvis bone

Which of the following statements about brain development and early childhood is true? the brain of a 5 year old is 60 percent the size of an adult brain the overall size of the brain does not increase dramatically from ages 3-15 by the time a child is 3 years of age, the brain is 25 percent of it's adult size the development that occurs inside the brain ends at the onset of adolescence

Put the processes of the water cycle in the correct order starting at the point where the water is in a lake

Specific heat is the amount of heat required to raise the temperature of a material by 1°c per what unit? a. volumeb. joulec. massd. pressuree. density